Good to here glad you like them. I do have a question though. Most auto guys that go for 4.10 have a shifting problem. See as how the puter control shifts and 4.10 through off the factory setting has your had any premature shifting problems or redlining???

ya that sounds a little more like it, my friend with his lentech aod and 4.10s w/ 245 45r17's is around 2650 at 70 and his o/d is very similar if not the same as ours in the lentech, cant remember, as for the comp controlling the shifts, i heard you dont need to re chip/reprogram your chip with 4.10's, if you make the necessary alterations to your valve body. This is because the comp only tells the tranny when to "actuate" the gear change, it takes a short amount of time for the valve to fill and reach proper pressure to change the gear, so the chip sends the signal early enough in anticipation so that the shift occurs at the proper rpm. when you put in new gears, this raises the climbing rate of your engine (say 1500 rpm's/second w/ 4.10's compared to just 1000rpms/second w/ stock gears)and therefore it will hit the rev limiter before the shift occurs... i have never done it myself so i couldnt even explain what hole in the valvebody has to be opened or by how much, i dont understand why a high horsepower car with stock trans comp settings and a quick revving engine with stock gears wouldnt run into the same problem, this is just what my trans guy told me. as for why YOU arent having this problem....i dont know, did your car really dog high rpm acceleration before?...maybe you have spark problems and you arent climbing quickly in high revs like you should be...just something that occurred to me... i hope this kinda makes sense to you as to why im thinking this... huh